package com.jeecg.demo.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.ConnectException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;
import java.util.Formatter;
import java.util.UUID;

import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import net.sf.json.JSONObject;

public class CommonUtil {
	private static final Logger logger = LoggerFactory
			.getLogger(CommonUtil.class);

	/**
	 * 发送https请求
	 * 
	 * @param requestUrl
	 *            请求地址
	 * @param requestMethod
	 *            请求方式（GET、POST）
	 * @param outputStr
	 *            提交的数据
	 * @return JSONObject(通过JSONObject.get(key)的方式获取json对象的属性值)
	 */

	public static JSONObject httpsRequest(String requestUrl,
			String requestMethod, String outputStr) {
		JSONObject jsonObject = null;
		try {
			// 创建SSLContext对象，并使用我们指定的信任管理器初始化
			TrustManager[] tm = { new MyX509TrustManager() };
			SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
			sslContext.init(null, tm, new java.security.SecureRandom());
			// 从上述SSLContext对象中得到SSLSocketFactory对象
			SSLSocketFactory ssf = sslContext.getSocketFactory();

			// URL url = new URL(requestUrl);
			URL url = new URL(null, requestUrl,
					new sun.net.www.protocol.https.Handler());
			HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
			conn.setSSLSocketFactory(ssf);

			conn.setDoOutput(true);
			conn.setDoInput(true);
			conn.setUseCaches(false);
			// 设置请求方式（GET/POST）
			conn.setRequestMethod(requestMethod);

			// 当outputStr不为null时向输出流写数据
			if (null != outputStr) {
				OutputStream outputStream = conn.getOutputStream();
				// 注意编码格式
				outputStream.write(outputStr.getBytes("UTF-8"));
				outputStream.close();
			}

			// 从输入流读取返回内容
			InputStream inputStream = conn.getInputStream();
			InputStreamReader inputStreamReader = new InputStreamReader(
					inputStream, "utf-8");
			BufferedReader bufferedReader = new BufferedReader(
					inputStreamReader);
			String str = null;
			StringBuffer buffer = new StringBuffer();
			while ((str = bufferedReader.readLine()) != null) {
				buffer.append(str);
			}

			// 释放资源
			bufferedReader.close();
			inputStreamReader.close();
			inputStream.close();
			inputStream = null;
			conn.disconnect();
			jsonObject = JSONObject.fromObject(buffer.toString());
		} catch (ConnectException ce) {
			logger.error("连接超时：{}", ce);
		} catch (Exception e) {
			logger.error("https请求异常：{}", e);
		}
		return jsonObject;
	}

	/**
	 * URL编码（utf-8）
	 * 
	 * @param source
	 * @return
	 */
	public static String urlEncodeUTF8(String source) {
		String result = source;
		try {
			result = java.net.URLEncoder.encode(source, "utf-8");
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		}
		return result;
	}

	// 生成签名
	public static String byteToHex(final byte[] hash) {
		Formatter formatter = new Formatter();
		for (byte b : hash) {
			formatter.format("%02x", b);
		}
		String result = formatter.toString();
		formatter.close();
		return result;
	}

	// 生成nonce_str
	public static String create_nonce_str() {
		return UUID.randomUUID().toString();
	}

	// 生成timestamp
	public static String create_timestamp() {
		return Long.toString(System.currentTimeMillis() / 1000);
	}

	public static String httpRequest(String geturl) { // 请求的webservice的url
		URL url;
		String str = "";
		try {
			url = new URL(geturl);
			HttpURLConnection httpURLConnection = (HttpURLConnection) url
					.openConnection(); // 设置请求的方法类型
			httpURLConnection.setRequestMethod("GET"); // 设置请求的内容类型
			httpURLConnection.setRequestProperty("Content-type",
					"application/x-www-form-urlencoded"); // 设置发送数据
			httpURLConnection.setRequestProperty("accept", "*/*");
			httpURLConnection.setDoOutput(true); // 设置接受数据
			httpURLConnection.setDoInput(true); // 发送数据,使用输出流
			OutputStream outputStream = httpURLConnection.getOutputStream(); // 发送的soap协议的数据
			// String requestXmlString = requestXml("北京");
			String content = "user_id=" + URLEncoder.encode("13846", "utf-8"); // 发送数据
			outputStream.write(content.getBytes()); // 接收数据
			InputStream inputStream = httpURLConnection.getInputStream();
			BufferedReader in = new BufferedReader(new InputStreamReader(
					inputStream, "UTF-8"));
			StringBuffer buffer = new StringBuffer();
			String line = "";
			while ((line = in.readLine()) != null) {
				buffer.append(line);
			}
			str = buffer.toString();
		} catch (MalformedURLException e) {
			// TODO Auto-generated catch block
			logger.error("MalformedURLException：{}",e);
		} // 创建http链接
		catch (IOException e) {
			// TODO Auto-generated catch block
			logger.error("IOException：{}", e);
		}

		return str;
	}
}
